#include "mymath.h"
#include "myprint.h"
#include "mylog.h"

int main()
{
    //printf("1+1=%d\n",add(1,1));
    int n = div(10,0);
    printf("10/0=%d errno=%d\n", n ,errno);

    Print();
    Log("hello mylog\n");

    return 0;
}
